Affinity
– Avidity – Cross reactivity
Affinity of antibody:
strength of a
non-covalent bond that forms between single paratope on an Ig molecule and a single
epitope on an antigen
Avidity of an antibody:
strength of the
bonds that forms between a multivalent antibody and a multivalent antigen
eCross-reactivity
in the cases
where the same epitopes are shared between antigens the resulting antibody may bind with the same epitopes regardless of which antigen they are on.
